Home / 33,707.04-46,501.20-21,129.36

Finding the Fourth Proportional to 33,707.04, 46,501.20 and 21,129.36

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Solution

The fourth proportional to 33,707.04, 46,501.20 and 21,129.36 is: 29,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,707.04 : 46,501.20 = 21,129.36 : x
  2. Step 2: Convert to fraction form
    33,707.04/46,501.20 = 21,129.36/x
  3. Step 3: Cross multiply
    33,707.04x = 46,501.20 × 21,129.36
  4. Step 4: Simplify right side
    33,707.04x = 982,540,595.23
  5. Step 5: Solve for x
    x = 982,540,595.23/33,707.04
  6. Step 6: Final answer
    x = 29,149.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.